Juniper ACX1000 Configuration Manual page 188

ACX Series Universal Access Router Configuration Guide
Router 2 and Router 3 Operational Commands (Failure Condition)
130
Originator Remote Node ID
No 00:01:02:00:00:01
Note that the ring protection link is no longer blocked and the node is no longer marked
as originator.
user@router1> show protection-group ethernet-ring interface
Ethernet ring port parameters for protection group pg101
Interface Control Channel
ge-1/0/1 ge-1/0/1.1
ge-1/2/4 ge-1/2/4.1
Signal Failure Admin State
Clear IFF ready
Clear IFF ready
Note that the protection interface is now forwarding (so is the other interface).
user@router1> show protection-group ethernet-ring node-state
how protection-group ethernet-ring node-state
Ethernet ring APS State
pg101 protected
Restore Timer Quard Timer
disabled disabled
Note that Router 1 has recorded the span failure (SF).
user@router1> show protection-group ethernet-ring statistics group-name pg101
Ethernet Ring statistics for PG pg101
RAPS sent
RAPS received
Local SF happened:
Remote SF happened:
NR event happened:
NR-RB event happened:
Note that the R-APS messages have recorded the remote failure.
Under a failure condition, the other routers on the ring (Router 2 and Router 3) will see
the following similar output:
user@router2> show protection-group ethernet-ring aps
Ethernet Ring Name Request/state
pg102 SF
Originator Remote Node ID
Yes 00:00:00:00:00:00
Note the failure event (SF). Router 3 will see almost identical information.
user@router2> show protection-group ethernet-ring interface
Forward State Ring Protection Link End
forwarding Yes
forwarding No
Event Ring Protection Link Owner
SF Yes
Operation state
operational
: 1
: 1
: 0
: 1
: 0
: 1
No Flush Ring Protection Link Blocked
No No
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